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Numbers of Adélie penguins breeding at Hope Bay and Seymour Island rookeries (West Antarctica) in 1985

100%

Myrcha A. , Tatur A. , del Valle R. , Myrcha A. , Tatur A. , del Valle R.

nr 4

Plant-bearing Jurassic strata at Hope Bay, Antarctic Peninsula (West Antarctica): geology and fossil-plant description

100%

Birkenmajer K. , Ociepa A. M.

Studia Geologica Polonica

2008

tom Vol. 128

5-96

The fossil flora from Hope Bay, West Antarctica, is ranking among the richest Jurassic floras of the world. So far, it was known mostly from loose blocks scattered at coastal plain below Mount Flora. The present collections from the Mount Flora Formation, include the fossil plants assembled mainly in situ (from the Flora Glacier Member), but also those obtained from loose blocks (derived from the Five Lakes Valley Member and the Flora Glacier Member). 41 plant taxons were identified: 2 from Hepatophyta, 2 from Sphenophyta, 9 from Pteridophyta, 5 from Pteridophylla, 6 from Pteridospermophyta, 9 from Cycadophyta and 8 from Coniferophyta. The taxons new for Antarctica include the species Coniopteris cf. simplex (Lindley & Hutton) Harris, Equisetum cf. columnare Brongniart emend. Harris, Otozamites gramin eus (Phillips) Harris, and the genera Conites Sternberg emend. Cleal et Rees and Stachyotaxus Na thorst. New taxa include: Crosso zamiamirabilis sp. nov. Ociepa and Pagiophyllum arctowskii sp. nov. Ociepa (Schizole pidella birkenmajeri sp. nov. Ociepa, 2007, has been described separately). A new combination Araucarites antarcticus (Gee) comb. nov. Ociepa is presented. The described flora confirms its Jurassic age. The paper presents also remarks on palaeoclimate and environment of the Antarctic Peninsula volcanic arc during the Jurassic.

Geology of Late Mesozoic magmatic rocks at Hope Bay, Trinity Peninsula [West Antarctica]

86%

Birkenmajer K.

Bulletin of the Polish Academy of Sciences. Earth Sciences

1993

tom 41

nr 1

Jurassic liverworts from Mount Flora, Hope Bay, Antarctic Peninsula

86%

Ociepa A. M.

Polish Polar Research

2007

tom 28

nr 1

Mount Flora at Hope Bay, in northernmost part of Antarctic Peninsula, is a famous Jurassic flora locality. It has already been studied for a hundred years, but however, it is still possible to find there new taxa. Based on two species of liverworts found at Mount Flora (Schizolepidella gracilis and Schizolepidella birkenmajeri sp. nov.), the present study discusses affiliation of the genus Schizolepidella to liverworts. The new species Schizolepidella birkenmajeri is erected.

Isolation of Campylobacter lari from seabirds in Hope Bay, Antarctica

72%

Leotta G. , Vigo G. , Giacoboni G.

Polish Polar Research

2006

tom 27

nr 4

303-308

Campylobacter is one of the most common bacterial causes of diarrheal illness in humans. This study describes the isolation of Campylobacter lari from seabirds during 4 consecutive summers (2000-2003) in Hope Bay, Antarctic Peninsula. One hundred and twenty-two spontaneously dead Antarctic seabirds were studied. Ten Campylobacter lari isolates from 7 skuas (Stercorarius spp.), 2 kelp gulls (Larus dominicanus), and 1 Adelie penguin (Pygoscelis adeliae) were identified by phenotypical characteristics. Human activity in Antarctica was identified as a possible source of infectious agents, and migratory birds could be carriers of infectious diseases. However, nothing is known about zoonotic entero- pathogens causing diseases in humans living in the Antarctic region. We demonstrated that seabirds carried C. lari in their intestines, and that they were settled around the lakes where humans are supplied with fresh water. Consumption of fresh water from Antarctic lakes contaminated with feces of seabirds could be a risk of human campylobacteriosis. This is the first report of C. lari isolated from seabirds in Hope Bay, Antarctica.

Jurassic terrestrial clastics [Mount Flora Formation] at Hope Bay, Trinity Peninsula [West Antarctica]

72%

Birkenmajer K.

Bulletin of the Polish Academy of Sciences. Earth Sciences

1993

tom 41

nr 1

Quaternary geology at Hope Bay, Trinity Peninsula [West Antarctica]

58%

Birkenmajer K.

Bulletin of the Polish Academy of Sciences. Earth Sciences

1993

tom 41

nr 2